/******************************************************************************
 * SAGE - Scalable Adaptive Graphics Environment
 *
 * Module: sageBridge.h
 * Author : Byungil Jeong
 *
 * Copyright (C) 2004 Electronic Visualization Laboratory,
 * University of Illinois at Chicago
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either Version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser Public License along
 * with this library; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 * Direct questions, comments etc about SAGE to bijeong@evl.uic.edu or 
 * http://www.evl.uic.edu/cavern/forum/
 *
 *****************************************************************************/
 
#ifndef SAGEBRIDGE_H_
#define SAGEBRIDGE_H_

#include "appInstance.h"
#define MAX_BRIDGE_NODE 30

class messageInterface;

class sageBridge {
private:
	sageNwConfig nwCfg;
	instanceConfig iConfig;
	bool master;
	int nodeID;
	char masterIP[SAGE_IP_LEN];
	int streamPort, msgPort;
	int slaveNum;
	char slaveIPs[MAX_BRIDGE_NODE][SAGE_IP_LEN];
	int slaveList[MAX_BRIDGE_NODE];
		
	messageInterface *msgInf;
	std::vector<appInstance *> appInstList;
	std::vector<appInExec *> appInfoList;
	sageTcpModule *tcpObj;
	sageUdpModule *udpObj;
	bool bridgeEnd;

	int initMaster(char *cFile);
	int initSlave(char *data);
	int launchSlaves();
	int regApp(char *data, int clientID);
	int connectApp(int clientID);
	int forwardToAppinstance(sageMessage &msg, int clientID);
	int connectToFSManager(int instID);
	appInstance* findAppInstance(int instID);
	
   int checkMsg();
	int startPerformanceReport(sageMessage &msg);
	int stopPerformanceReport(sageMessage &msg);	
	int perfReport();
	int shutdownApp(int instID, bool fsmToApp);
	int shutdownAllApps();
	int allocateBridgeNodes(int clientID);
	int initNetworks();
	int checkNetworks();
	int initStreams(int senderID, char *msg, streamProtocol *nwObj);

	sageDisplay	*displayObj;
	sageDisplayConfig dispCfg;
	int screenWidth, screenHeight;
	int dimX, dimY;
	int tiles[MAX_TILES_PER_NODE];

	int displayPixels();
	
public:
   sageBridge(int argc, char **argv);
   ~sageBridge();
	void mainLoop();
	
	friend class appInstance;
};

#endif
